3423257281 has 2 divisors, whose sum is σ = 3423257282. Its totient is φ = 3423257280.

The previous prime is 3423257273. The next prime is 3423257311. The reversal of 3423257281 is 1827523243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3365740225 + 57517056 = 58015^2 + 7584^2 .

It is a cyclic number.

It is not a de Polignac number, because 3423257281 - 2³ = 3423257273 is a prime.

It is a super-2 number, since 2×3423257281² = 23437380823839025922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3423257281.

It is not a weakly prime, because it can be changed into another prime (3423257251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1711628640 + 1711628641.

It is an arithmetic number, because the mean of its divisors is an integer number (1711628641).

Almost surely, 2^3423257281 is an apocalyptic number.

It is an amenable number.

3423257281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3423257281 is an equidigital number, since it uses as much as digits as its factorization.

3423257281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 3423257281 is about 58508.6086059137. The cubic root of 3423257281 is about 1507.1154206375.

The spelling of 3423257281 in words is "three billion, four hundred twenty-three million, two hundred fifty-seven thousand, two hundred eighty-one".